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Security Advisory - Input Verification Vulnerability Involving Huawei Printer Products

  • SA No:huawei-sa-20220620-01-6e028b61
  • Initial Release Date: 2022.06.20
  • Last Release Date: 2022.06.20

Huawei printers have an input verification vulnerability. Successful exploitation of this vulnerability may cause device service exceptions. (Vulnerability ID: HWPSIRT-2022-80078)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2022-34159.

For products that have released software updates to fix this vulnerability, Huawei will release and update the Security Advisory at:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220620-01-6e028b61-en


Product Name

Affected Version

Resolved Product and Version

CV81-WDM FW

01.70.49.29.46

01.94.59.32.46


Successful exploitation could result in device service exceptions.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 7.0 (E:F/RL:O/RC:C)

This vulnerability can be exploited only when the following conditions are present:

Attackers can access device network ports.

Vulnerability details:

Huawei printers have input verification vulnerabilities because they do not strictly verify packets received by network ports. Attackers who can access network ports can construct malicious packets to exploit this vulnerability. Successful exploitation of this vulnerability may cause device service exceptions.


The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.


2022-06-20 V1.0 INITIAL


Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.